Movable operation platform for steel box girder cantilever construction

The utility model relates to the technical field of steel box girder cantilever construction, in particular to a movable operating platform for steel box girder cantilever construction, which comprises an operating frame, a movable operating platform, a movable operating platform and a movable operating platform, the self-adaptive mechanism which ensures that the adsorption force of the electromagnet on the steel box girder is uniformly distributed is arranged on the surface of the hydraulic cylinder; according to the device, the bottom end of a hydraulic cylinder moves downwards to drive a control panel, a driving block, a supporting rod and a plurality of electromagnets to move downwards at the same time, the electromagnets move downwards to abut against the steel box girder, the electromagnets can better abut against the positions, at different heights, of the steel box girder under the interaction of a first spring and a sliding block, the control panel is started, and after the control panel is connected